The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1976
Filed:
Jun. 13, 1974
Applicant:
Inventor:
Hasan F Onal, Denver, CO (US);
Assignee:
Sundstrand Corporation, Rockford, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
416184 ; 416183 ; 416175 ; 416199 ;
Abstract
A high speed, high capacity impeller assembly for a double suction, double volute centrifugal pump. The impeller assembly includes an impeller and two inducers rotatably mounted on a shaft. The inducers feed influent into the eye of the impeller on either side thereof. The impeller includes a plurality of vanes having a low lead angle at the leading edge of each vane. Partial vanes are also provided between each main vane to reduce vortex motion and pump vibration.